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🔇 Drive in Silence, Arrive in Style
CANOPUS Sound Deadening Mat is a 50 mil thick, premium butyl rubber soundproofing solution designed for automotive use. Each pack includes 5 sheets covering 5 sqft, engineered to reduce road noise, vibrations, and ambient sounds effectively. Its self-adhesive backing allows for clean, hassle-free installation on car trunks, doors, floors, and ceilings, delivering a quieter, more luxurious driving experience favored by discerning car enthusiasts.




| ASIN | B0CFVXBMRP |
| Best Sellers Rank | #23,162 in Automotive ( See Top 100 in Automotive ) #38 in Automobile Insulation |
| Brand | CANOPUS |
| Brand Name | CANOPUS |
| Coverage | 5 sqft |
| Customer Reviews | 4.6 out of 5 stars 679 Reviews |
| Global Trade Identification Number | 00810063612061 |
| Included Components | Case |
| Item Dimensions L x W | 14.49"L x 10"W |
| Item Thickness | 50 Mils |
| Item Type Name | Sound Deadening Mat for Cars |
| Manufacturer | CANOPUS |
| Manufacturer Part Number | 00438-SoundDead-Silver-50mil-5sqft |
| Material | Rubber |
| Material Type | Rubber |
| Model Number | SDM 50 Mil |
| Product Dimensions | 14.49"L x 10"W |
| UPC | 810063612061 |
Z**O
Really good sound insulation. Lowered noise and vibration under the hood.
Really good sound deadening material for my Buick. There are several things about this I like that I liked. - It's made in the USA, which shows in the quality. - Speaking of quality, the butyl material has very good adhesion properties. My hood has some indents in it for the heat insulation to fit into and the material stuck and conformed to the indents. - I was able to use scissors to cut to shape. In most situations I had to use a knife on other brands. So easy to cut and install. - The roller I used did an excellent job. The foil was strong enough that the roller didn't rip the foil on top of it. I also had this issue with some other brands. All in all it does a very good job. The sound of the intake and loud injectors all went down significantly. Cruising on the highway also showed it lowered road noise from the front wheels. Even with the amount I used I still have 3 sheets left. Definitely a good buy.
J**M
Absolute gamechanger!
I'm one of those people who research for a week then buy the best product possible. Often times, if you research enough you can find one of those companies that is putting out an insane product without paying for the name. This is one of those products. I needed a solution for my new system in my car. I stumbled on an experiment from an independent rival company that tested the top brands. This 50 mill version was a slam dunk. Performed better than 90% of brands and even a ton with thicker products. I installed this in my whip and it definitely steps up to the plate. It does a fantastic job sticking to things and easy to put on in tight places. My car sounds like Bose QC35 headphones on a solo camping trip. It's a much different experience from my noisy old car. Did I mention that I have a moonroof and roof rails. Still quiet though. I can honestly say that, for the rest of my days driving future cars, one of the 1st things I will do is pull out all the interior and put in Canopus sound deadening. Save yourself the time. Add to cart. Coming from some random midwest dude... you're welcome! #cheers
J**H
Decent alternative to Dynamat
Doesn’t have an odor it’s extremely sticky. I worked with it on a nice day where it was in the 70s outside. Make sure you have a couple extra blades for a razor knife unless you have utility scissors regular household ones don’t work very well. This stuff is tough. You get a considerable amount of material to work with I did two doors and most of the spare wheel well in my trunk of my Mk7 VW Gti. It doesn’t really make that much of a difference by itself. If you wrap the speaker hole of a door before you install it this will help with vibration and improve the quality of your speaker. Pretty good value for what you get. Box had pretty good weight to it. I recommend getting a roller to smooth it out and you really only have to just wipe the panel off unless it’s dirty. This stuff will stick to anything. My only complaint is that it’s a bit thin otherwise does the job well!
D**P
Works as described
Easy to apply to spare tire well of Lexus RX350. Reduced resonance. Next step is to add closed cell foam to further reduce sound coming into cabin.
J**L
Doing it's job
Working as described. Used this type of material for yrs. Easy to cut an fit where needed in small enough sheets. Good price for amount. Doors are solid w/o vibrations.
M**O
value quality
great dead sounder
P**Y
If your UTV is loud, this is your solution.
Ok, this stuff is fantastic if you own a loud UTV like I do. The firewall between the engine and the seats is very thin, and there were also significant gaps around the frame connections. It was so loud that once my wife and I got above 40 mph, we couldn’t even talk without yelling. This material cuts precisely with a regular pair of scissors, which made it easy to shape around pipes, corners, and tight areas. All I had to do was clean the surface, apply a little heat, and press it into place. It wrapped around the tubing and molded into the corners with ease. I’ve also washed this area multiple times since installing it, and the adhesion has not been affected at all. Best of all, my wife and I can now talk while riding without screaming at each other. If sound is your problem, this is the solution.
R**O
Amazing product
It works amazing and I’m going to use on my other vehicles
P**N
Bra produkt
Är precis vad det utlovar sig för att vara. Bra produkt
A**N
Sound insulation
Excellent product
W**Y
Ottimo insonorizzante.
Ottimo materiale. Capacità insonorizzante veramente buona.
P**.
Muy buenos
Excelente son de muy buena calidad
N**A
Isolamento portiere auto
Prodotto validissimo, facile da modellare e applicare. Utilizzato per isolare le portiere della mia auto. Il risultato finale, unito all’upgrade degli speakers, è stato eccellente.
Trustpilot
2 months ago
3 weeks ago